外文翻译锚杆的力学分析及工程应用

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1、英文原文RockboltmechanicalanalysisanditsapplicationtoengineeringAbstractCombinedwiththe3DFEM,end-anchoredanchorageboltsweresimulatedbyimplicitanchorageboltelement.Implicitanchorageboltelementshideintheelementsofrockmassandextremelysimplifytheelementsubdivision.Thecalculatedvalueofanchoragebol

2、tstressislargerthanthemeasuredoneforthemosttime.wefurtheranalyzedthereciprocityofanchorageboltandrockmass,andthendeducedtheanalyticalequationsofanchorageboltstressandrockmassdeformationunderelasto-plasticstate.Theresultsindicatethatitisessentialtorevisetheanchorageboltsstressbyusingthefor

3、mulasdeducedwhenrockmassissoftenedorsignificantlydeformed.Finally,acasestudyindicatesthatthecalculatedresultsagreewiththosemeasured.Somehelpfulmethodsareofferdformoreaccuratesimulationofthesupporteffectandanchorageboltsrealstressstate.Keywordsimplicitelementofbolt,mechanicalanalysisonbolt

4、,elasto-plasticanalysisIntroductionLoadtransfermechanismandstrengtheningeffectofanchorboltsarethetwomajorareasofanchortheoryathomeandabroad[1].Geotechnicalinvestigatorshaveachievedagreatdealofhelpfuldatumthroughnumericalanalysis,analogtestandin-situsurveymethod[2,3].Reference[4]putforward

5、implicitboltelementmethod,appliedittonumericalcalculationoflargeundergroundengineeringandhasgainedgoodeffect.References[5,6]usedsimilarmethodtosolveidiographicproblemsanddevelopedit.ByusingMindlin’sdisplacementsolution,Reference[7]deducedtheshearingforcedistributionalonganchoragelengthofa

6、nchorageboltwhichwaspulled.Theresearchesabovejustpartiallyemphasizeoneitherloadtransfermechanismorstrengtheningeffect.Fewbandthetwotogethertostudyeffectively.Usingthecaseoflargeundergroundpowerstation,weanalyzethereciprocityofend-anchoredboltandsurroundingrockdeformationunderelastoplastic

7、state,andgetsomehelpfulconclusions.1BasicanalysisandsimplifiedhypothesesThemethodofimplicitboltelementextremelysimplifiestheelementsubdivisionofFEM,further-moresimulatesthesupporteffectofrockboltspreferably.TheentireprocessofcalculabilityisprovidedinReference[4].The